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Finding the Fourth Proportional to 1,754.24, 2,631.42 and 584.19

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Solution

The fourth proportional to 1,754.24, 2,631.42 and 584.19 is: 876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.24 : 2,631.42 = 584.19 : x
  2. Step 2: Convert to fraction form
    1,754.24/2,631.42 = 584.19/x
  3. Step 3: Cross multiply
    1,754.24x = 2,631.42 × 584.19
  4. Step 4: Simplify right side
    1,754.24x = 1,537,249.25
  5. Step 5: Solve for x
    x = 1,537,249.25/1,754.24
  6. Step 6: Final answer
    x = 876.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.